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General C++ Programming - April 2018 (Page 9)

im new to this kind of thing sorry im trying to set a member string to the value held to the constructor parameter is that ok or do I need to fix it? #in...

[19 replies] Last: how do I print the subclass objects and the int nintendo int sega stri... (by sonicflare9)

by mrtam

Problem with Easy Block Dropping Game!

Thank You

[1 reply] : Is this kinda like dr mario or, if the blocks are not stuck together, ... (by poteto)

by adam2016

unistd.h question

Hi guys so I am told that unistd.h contains the declaration of all system calls on a linux system but when reading through it, All I can see is #define macro...

[3 replies] Last: [quote=adam2016]I am told that unistd.h contains the declaration of al... (by Cubbi)

by DesertFox101

Problems with my assignment

Hi everyone! i am trying to create a working currency exchange calculator for my Assignment, all was going well until completion of my program ran into multipl...

[2 replies] Last: Thanks for the help mate, i'll keep this in mind for next time. :) (by DesertFox101)

by adam2016

ESP,EIP,EBP with c++ and asm

Hey guys this may be a tough question to explain as I don't fully understand what is going on but I will try my best not to butcher it too much, anyway I am ...

[2 replies] Last: thanks Jonnin great answer :) so at the end of the day,all languages ... (by adam2016)

by CoffeAddict

Stack program to check parenthesis balance

I have to write a program that prompts for a file name and then reads the file to check for balanced curly braces, {; parentheses, (); and square brackets, . I...

[8 replies] Last: correct. They balance , but are incorrect in syntax. You can't chec... (by jonnin)

by Fadey

Rounding from float to integer issues, (int)12.7*10 equals 126 instead of 127?

#include <iostream> #include <string> using namespace std; #include <iostream> #include <string> using namespace std; int main() { while (1) { ...

[10 replies] Last: ...did someone remove Fadey's post? Weird. Anyway, I wouldn't necessa... (by Ganado)

by Heymid

Odd bug which doesn't seem to have a logical explanation

The following is my code: #include <iostream> using namespace std; class Matris { private: int* m_vec; public: Matris() { m_vec = new int ; for(...

[6 replies] Last: I've read that compilers are smart enough to realize that... How co... (by Repeater)

by typi8

Help with files

Hello, I am a newbie at this and I am struggling on how to start this. I had inFile my salary.txt as shown below and I know you string in department and int the...

[1 reply] : You will probably hate me for this, but this other homework topic has ... (by poteto)

by Carrie Aeris

Class Project Suggestions

I have a class project that I am doing and wanted some personal feedback as t what I can add for an everyday user or how I can improve a users input. I am still...

[1 reply] : The first thing I see is a lot of code duplication. A few functions co... (by jlb)

by Manga

trouble with github code

Well now I have done it again. I bit off more than I could handle. Here is the situation. I down loaded source code from github. I want to see if I can build a ...

[2 replies] Last: ok so I just need to upgrade then. I was afraid of that, but I guess I... (by Manga)

by MBANS7A1

Using operator keyword in equations invoving real numbers and complex numbers (errors I get)

Hello everyone, I got some code I wish to compute for some Mie data. However it has some errors relating to +,-,* and/ for complex numbers with int and doubles....

[3 replies] Last: yes, <complex>. I am saying that this complex<double> result; can do ... (by jonnin)

by mickle

HELP! arduino pong game errors

I am making a pong game w/ arduino/genuino 101. I have fixed 2 previous errors by defining a couple of buttons and whatnot, but now it's giving me "error:unknow...

[3 replies] Last: Did you #include it BEFORE you #include'd any other headers? (This is ... (by Ganado)

by Kaylaplusplus

Problem with comparing arrays

I have two arrays that are printing out correctly, but when I try to compare the 2, the matching is not adding up. Any help will be great. #include <iostrea...

[4 replies] Last: zero is a special case. int x = {0}; //this will initialize all to z... (by jonnin)

by Heymid

Creating modifiable class member variable that's directly accessible as constant from outside

Imagine that you have a class A. Is it possible to create a modifiable member variable x such that A.x can be accessed from outside the class without being able...

[6 replies] Last: I agree with mbozzi: just create a public const reference to a non-pri... (by dhayden)

by Laura2358

Deleting elements in a stack(C++)

Hi! I wanted to delete data in a stack if the student code is the particular code. First I copied object student to temp. Then I emptied the object student M...

[4 replies] Last: First, please use code tags when posting code. See http://www.cplusplu... (by keskiverto)

by bieblsoft

C++ Lambdas - OOP violation ?

I have adopted to the use of lambdas in the meantime, but i would like to start a little discussion about the ever escalating use of lambdas and the motivation ...

[10 replies] Last: [quote=bieblsoft]Typical justifications to use lambdas include stateme... (by Cubbi)

by sonicflare9

vector of strings

how do i pass in a string as the only parameter to each object’s constructor? new to this thing #include "stdafx.h" #include <iostream> #include <fstrea...

[1 reply] : don't start a new topic, this is exactly the same problem from the las... (by poteto)

by shady1234

Help If u can

That's the code that I did but there is an extra star in sin(90) and the negative wave is made of an extra star in each row If Anyone can help, I will be grat...

[4 replies] Last: @shady1234 : Basically, your problem is a matter of interpolating 0.... (by Ganado)

by tripballs18

Someone please help me with this assignment

What is required is to create a submenu called surveyMenu that is called from option number one of the main menu. The surveyMenu should have 4 options: ...

[no replies]

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